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Tea Party protest scene

From NBC's Luke Russert and Shawna ThomasLocated at the West Front of the Capitol in the grassy area below the steps, are according to two Capitol Hill Police officers between 1,500 to 2,000 Tea Party protesters.

They are loud, vocal and many hold signs that say, "Kill the Bill" and "Don't Tread on Me."

Mike Pence (R-IN) and Tom Price (R-GA) have addressed the crowd and currently Michelle Bachmann (R-MN) is stirring them up into a tizzy.

Tea partiers are also trickling into the halls of the House builidngs wearing 9/12 tshirts and Marco Rubio pins. They have lists of undecideds whose offices they're trying to visit. Talking to a few who came up from Florida, they say they're here to preserve their and their children's freedom.